.y-piece{
  width: 2px;
  height: 12px;
  @extend .bg-blue;
}

.y-piece-md{
  width: 4px;
  height: 18px;
  @extend .bg-blue;
}

html::-webkit-scrollbar {
  width: 0;
  height: 0;
}

::-webkit-scrollbar{
  width: 7px;
  height: 7px;
}

::-webkit-scrollbar-thumb{
  border-radius: 1em;
  background-color: #7f7f7f;
}

.size100r{
  width: 100%;
  height: 100%;
}